qmining-page/src/components/SubjectSelector.js

import styles from './SubjectSelector.module.css'

export default function SubjectSelector(props) {
  const { activeSubjName, searchTerm, data, onSubjSelect } = props

  return (
    <div className="subjectSelector">
      {data.map((subj, i) => {
        if (!subj.Name.toLowerCase().includes(searchTerm.toLowerCase())) {
          return null
        }

        return (
          <div
            className={
              activeSubjName === subj.Name
                ? 'subjItem activeSubjItem'
                : 'subjItem'
            }
            key={i}
            onClick={() => onSubjSelect(subj.Name)}
          >
            <span className={styles.subjName}>{subj.Name}</span>
            <span className={styles.questionCount}>
              [ {subj.Questions.length} ]
            </span>
          </div>
        )
      })}
    </div>
  )
}